Base | Representation |
---|---|
bin | 10001000100000… |
… | …10110010011101 |
3 | 100222100100222020 |
4 | 20202002302131 |
5 | 243121021140 |
6 | 22112010353 |
7 | 3355454514 |
oct | 1042026235 |
9 | 328310866 |
10 | 143142045 |
11 | 73888812 |
12 | 3bb309b9 |
13 | 2386a547 |
14 | 1502167b |
15 | c8776d0 |
hex | 8882c9d |
143142045 has 16 divisors (see below), whose sum is σ = 229262400. Its totient is φ = 76264064.
The previous prime is 143142019. The next prime is 143142047. The reversal of 143142045 is 540241341.
It is a cyclic number.
It is not a de Polignac number, because 143142045 - 26 = 143141981 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143142047) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12106 + ... + 20804.
It is an arithmetic number, because the mean of its divisors is an integer number (14328900).
Almost surely, 2143142045 is an apocalyptic number.
143142045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
143142045 is a deficient number, since it is larger than the sum of its proper divisors (86120355).
143142045 is a wasteful number, since it uses less digits than its factorization.
143142045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9804.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 143142045 is about 11964.1984687651. The cubic root of 143142045 is about 523.1052424918.
Adding to 143142045 its reverse (540241341), we get a palindrome (683383386).
The spelling of 143142045 in words is "one hundred forty-three million, one hundred forty-two thousand, forty-five".
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